Abstract
Novel 3-amino-1-(3,5-dimethyl-1H-pyrazol-1-yl)-2,7-naphthyridines were synthesized on the basis of monohydrazides derived from 2,7-naphthyridines. The cyclization of 3-chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)-2,7-naphthyridine with hydrazine hydrate gave the tricyclic pyrazolo[3,4-c]-2,7-naphthyridine, which was used to prepare the novel heterocyclic system pyrimido[1',2':1,5]pyrazolo[3,4-c]-2,7-naphthyridine.
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The work was financially supported by the Armenian National Science and Education Fund (ANSEF).
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Sirakanyan, S.N., Ghazaryan, S.G., Hakobyan, E.K. et al. Synthesis of Novel 1-Pyrazolyl-2,7-naphthyridine Derivatives. Russ J Org Chem 56, 840–844 (2020). https://doi.org/10.1134/S1070428020050176
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DOI: https://doi.org/10.1134/S1070428020050176